Debian – APT: Public Key is missing? How to fix

aptdebianxtrabackup

I updated my sources.list with

deb http://repo.percona.com/apt squeeze main
deb-src http://repo.percona.com/apt squeeze main

And called

 gpg --keyserver subkeys.pgp.net --recv-keys 1C4CBDCDCD2EFD2A

The Result was, that it seemed to import something, so the key was found on this sever!?

Nevertheless now I get the error:

GPG error: http://repo.percona.com squeeze Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1C4CBDCDCD2EFD2A

How can I disable/ignore the keychecking in apt in general?
What is the adviced way to fix the problem itself. Is there some way to search the key somewhere elese? How would I do that?

Best Answer

You have to add the key to apt using apt-key:

gpg -a --output /tmp/pub.asc --export 1C4CBDCDCD2EFD2A
sudo apt-key add /tmp/pub.asc && rm /tmp/pub.asc

cf. http://blog.edseek.com/archives/2007/03/17/apt-key-gpg-key-import-on-ubuntu-and-debian/

Related Solutions

Ubuntu – How to remove the “installed manually” flag and revert to “automatically installed” with apt-get

Aptitude can help you when you initially install the package:

aptitude install "zlib1g-dev&M"

Or, after your have installed the package:

aptitude markauto "zlib1g"

Edit: If you do not have aptitude, you can use

apt-mark auto zlib1g-dev

Linux – List Files Installed from APT Package

Note: in the following commands, a command beginning with 'root#' means it needs to be run as root.

To find which files were installed by a package, use dpkg -L:

$ dpkg -L $package

apt-file can tell you which files will be installed by a package before installing it:

root# apt-get install apt-file
root# apt-file update
$ apt-file list $package

Or if you have the package as a .deb file locally already, you can run dpkg on it:

$ dpkg --contents $package.deb

To find which package provides a file that is already on your system, use:

$ dpkg -S /path/to/file

To find which package provides a file that is not currently on your system, use apt-file again:

$ apt-file search /path/to/file

Best Answer

Related Solutions

Ubuntu – How to remove the “installed manually” flag and revert to “automatically installed” with apt-get

Linux – List Files Installed from APT Package

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